Severe Weather Threat Across the Central and Southern Plains Thursday; Hazardous Heat in South Texas and Florida

Severe thunderstorms are forecast across parts of the central and southern Great Plains Thursday afternoon through Thursday night, posing a risk for severe winds and large hail. Hazardous heat will continue across portions of South Texas and for much of the central and southern Florida Peninsula through the weekend. Daily high temperature records could be tied or broken. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Overcast

66°F

19°C

Humidity	95%
Wind Speed	E 10 mph
Barometer	29.94 in
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	30 May 10:35 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Denison TX

Flood Watch May 30, 10:57pm until May 31, 07:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch May 30, 10:57pm until May 31, 07:00pm
NOW until 7:00pm Fri
Flood Watch
Tonight
Low: 66 °F
Severe
Thunderstorms
Friday
High: 80 °F
Severe
Thunderstorms
Friday Night
Low: 66 °F
Slight Chance
T-storms
Saturday
High: 85 °F
Chance
T-storms
Saturday Night
Low: 69 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 84 °F
Chance
T-storms
Sunday Night
Low: 71 °F
Slight Chance
T-storms
Monday
High: 87 °F
Slight Chance
T-storms

Detailed Forecast

Tonight

Showers and thunderstorms, mainly between 1am and 4am. Some of the storms could be severe. Low around 66. East southeast wind around 5 mph becoming south southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Some of the storms could be severe. Cloudy, then gradual clearing during the afternoon, with a high near 80. South southwest wind around 5 mph.

Friday Night

A 20 percent chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 66. South southwest wind around 5 mph becoming calm in the evening.

Saturday

A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.

Saturday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South southeast wind around 5 mph.

Sunday

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South wind 5 to 10 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71. South southeast wind around 10 mph.

Monday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph.

Monday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southeast wind around 10 mph, with gusts as high as 20 mph.

Tuesday

Partly sunny, with a high near 87.

Tuesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

Wednesday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.

Wednesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Thursday

Mostly sunny, with a high near 90.